linux-kernel - [PATCH] MIPS: ELF: Restructure personality macros

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Date:	Fri, 13 Nov 2015 00:48:39 +0000
From:	"Maciej W. Rozycki" <macro@...tec.com>
To:	Ralf Baechle <ralf@...ux-mips.org>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Matthew Fortune <Matthew.Fortune@...tec.com>,
	<linux-mips@...ux-mips.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] MIPS: ELF: Restructure personality macros

Update the ELF personality macros used for individual ABIs to make 
actions in the same order across all of them and match formatting too.

Signed-off-by: Maciej W. Rozycki <macro@...tec.com>
---
linux-mips-set-personality-shuffle.diff
Index: linux-sfr-test/arch/mips/include/asm/elf.h
===================================================================
--- linux-sfr-test.orig/arch/mips/include/asm/elf.h	2015-11-11 02:20:23.314234000 +0000
+++ linux-sfr-test/arch/mips/include/asm/elf.h	2015-11-11 02:20:27.589266000 +0000
@@ -295,17 +295,16 @@ extern struct mips_abi mips_abi_n32;
 
 #define SET_PERSONALITY2(ex, state)					\
 do {									\
-	if (personality(current->personality) != PER_LINUX)		\
-		set_personality(PER_LINUX);				\
-									\
 	clear_thread_flag(TIF_HYBRID_FPREGS);				\
 	set_thread_flag(TIF_32BIT_FPREGS);				\
 									\
-	mips_set_personality_fp(state);					\
-									\
 	current->thread.abi = &mips_abi;				\
 									\
+	mips_set_personality_fp(state);					\
 	mips_set_personality_nan(state);				\
+									\
+	if (personality(current->personality) != PER_LINUX)		\
+		set_personality(PER_LINUX);				\
 } while (0)
 
 #endif /* CONFIG_32BIT */
@@ -316,6 +315,7 @@ do {									\
 #define __SET_PERSONALITY32_N32()					\
 	do {								\
 		set_thread_flag(TIF_32BIT_ADDR);			\
+									\
 		current->thread.abi = &mips_abi_n32;			\
 	} while (0)
 #else
@@ -331,9 +331,9 @@ do {									\
 		clear_thread_flag(TIF_HYBRID_FPREGS);			\
 		set_thread_flag(TIF_32BIT_FPREGS);			\
 									\
-		mips_set_personality_fp(state);				\
-									\
 		current->thread.abi = &mips_abi_32;			\
+									\
+		mips_set_personality_fp(state);				\
 	} while (0)
 #else
 #define __SET_PERSONALITY32_O32(ex, state)				\
--
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